2 amazing breathing LED circuit, use only one transistor.

2 amazing breathing LED circuit, use only one transistor. 2 amazing circuit. amazing breathing circuit. LED breathing circuit. heart beat blink circuit. LED flasher circuit. BD139 transistor Circuit. use component :- transistor BD139 (NPN) Capacitor 47uf/25v (3p) resistor 1Mohm 1Kohm 4.7Kohm 3.9Kohm 2p LED 2V (Any color) power supply 9v to 12v (12v) 555ic//--    • flip-flop circuit.. using "NE555"ic   Day & night detector//-- =   • Video   Diode to LDR//-- =   • darkness sensor use diod//Diode converts L...   Micro USB data cable//-- =   • Video   Wire less power supply//-- =   • wireless power supply//wireless power tran...   Voltage booster//-- =   • voltage booster 1.5v to 3volt (part-1)   Object detector sensor//-- =   • object detector circuit | motion sensor ci...   ___________________________________ -::Twitter link::-   / exprimentswatch   ___________________ -::facebook link::-   / tanay.sur.12   ____________________ -::instagram link::-   / exprimentswatch   ____________________ --::thank you for watching this video::-- --::please subscribe my channel::-- & --::like,,comment,,share::-- #circuit #breathing #soft_up_down #experiment #swatch